closed ecological system

  • 1Closed ecological system — Biosphere 2 Closed ecological systems (CES) are ecosystems that do not rely on matter exchange with any part outside the system. The term is most often used to describe small manmade ecosystems. Such systems are scientifically interesting and can …

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  • 2Closed ecological system — Système écologique fermé Des Systèmes écologiques clos (en anglais : Closed Ecological Systems) sont des écosystèmes qui ne réalisent pas d échanges de matière avec l extérieur. Bien que la Terre elle même correspond à cette définition, ce… …

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  • 3Closed loop — may refer to: A feedback loop, often found in: Control theory#Closed loop transfer function, where a closed loop controller may be used Electronic feedback loops in electronic circuits PID controller, a commonly used closed loop controller Closed …

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  • 4Ecological sanitation — Ecological sanitation, also known as ecosan or eco san, are terms coined to describe a form of sanitation that usually involves urine diversion and the recycling of water and nutrients contained within human wastes back into the local environment …

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  • 5Ecological succession — Succession after disturbance: a boreal forest one (left) and two years (right) after a wildfire. Ecological succession, is the phenomenon or process by which a community progressively transforms itself until a stable community is formed. It is a… …

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  • 6Life support system — For other uses of Life support , see Life support (disambiguation). In human spaceflight, a life support system is a group of devices that allow a human being to survive in space. US government space agency NASA,[1] and private spaceflight… …

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  • 7system — 1. [TA] A consistent and complex whole made up of correlated and semiindependent parts. A complex of functionally related anatomic structures. 2. The entire organism seen as a complex organization of parts. 3. Any complex of structures… …

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  • 8Controlled Ecological Life Support System — Controlled (or Closed) Ecological Life Support Systems (acronym CELSS) are a type of scientific endeavor to create a self supporting life support system for space stations and colonies typically through controlled closed ecological systems, such… …

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  • 9Bolsa Chica Ecological Reserve — Infobox protected area | name = Bolsa Chica Ecological Reserve iucn category = caption = locator x = 18 locator y = 105 location = California, USA nearest city = Huntington Beach, CA lat degrees = 33 lat minutes = 41 lat seconds = 59 lat… …

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  • 10Construction of the Trans-Alaska Pipeline System — The construction of the Trans Alaska Pipeline System was a massive undertaking involving tens of thousands of people often in extreme temperatures and conditions. Specialized construction techniques were pioneered to build the pipeline, most of… …

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